5-27
6. STEERING VALVE
6. STEERING VALVE (EHPS) RELIEF
RELIEF
CARTRIDGE LEAKAGE TEST
CARTRIDGE LEAKAGE TEST
SPECIFICATION
SPECIFICATION
Oil temperature 45
±
5˚C (113
±
9˚F)
Engine speed High idle
Maximum leakage 1m
ℓ
/min (16 drops per min)
GAUGE AND TOOL
GAUGE AND TOOL
Temperature reader
Measuring container
Stop watch
Install temperature reader.
(see temperature reader installation proce-
dure in this group).
Heat hydraulic oil to specifications.
(see hydraulic oil warm up procedure at
page 6-55).
Install plug (A) in Ts port.
Disconnect line from T port on steering
valve. Install plug in line.
Connect line (B) to steering valve.
Start engine and run at specification.
Measure oil leakage from T port.
If leakage is more than specification, disas-
semble and inspect relief cartridge for dam-
age or debris.
1)
2)
3)
4)
5)
6)
7)
·
·
Relief valve
T
Ts
A
B
760F5SE21
Содержание HL955
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